<template>
  <div style="margin: 10px auto;width: 80%">
    <div style="margin-bottom: 20px;display: flex" >
      <div style="flex: 1">
        <el-button type="success" plain style="margin-left: 10px" @click="handleAdd">发帖</el-button>
      </div>
      <div v-if="total>0">
        <el-input placeholder="请输入标题关键字查询" style="width: 200px" v-model="title"></el-input>
        <el-button type="info" plain style="margin-left: 10px" @click="load(1)">查询</el-button>
        <el-button type="warning" plain style="margin-left: 10px" @click="reset">重置</el-button>
      </div>
      <div>

      </div>
    </div>

    <div class="card" v-if="total>0">
      <el-table :data="tableData" >
        <el-table-column prop="title" label="标题" width="80" show-overflow-tooltip></el-table-column>
        <el-table-column label="帖子内容" width="100">
          <template v-slot="scope" style="width: 100%">
            <el-button @click="preview(scope.row.content)">查看内容</el-button>
          </template>
        </el-table-column>
        <el-table-column label="图片">
          <template v-slot="scope">
            <el-image v-if="scope.row.img" style="width: 50px" :src="scope.row.img" :preview-src-list="[scope.row.img]"></el-image>
          </template>
        </el-table-column>
        <el-table-column prop="time" label="发布时间" width="150"></el-table-column>
        <el-table-column prop="circle" label="圈子"></el-table-column>
        <el-table-column prop="descr" label="简介" width="200" show-overflow-tooltip></el-table-column>
        <el-table-column prop="readCount" label="浏览量" width="80"></el-table-column>
        <el-table-column prop="status" label="审核状态" width="150" align="center">
          <template v-slot="scope">
            <el-tag type="info" v-if="scope.row.status === '待审核'">待审核</el-tag>
            <el-tag type="success" v-if="scope.row.status === '通过'">通过</el-tag>
            <el-tag type="danger" v-if="scope.row.status === '拒绝'">拒绝</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" width="150">
          <template v-slot="scope">
            <el-button size="mini" type="warning" plain @click="edit(scope.row)">编辑</el-button>
            <el-button size="mini" type="danger" plain @click="del(scope.row.id,getFileName(scope.row.img))">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <div style="margin-top: 20px" v-if="total<pageSize">
        <el-pagination
            background
            @current-change="handleCurrentChange"
            :current-page="pageNum"
            :page-sizes="[5, 10, 20]"
            :page-size="pageSize"
            layout="total, prev, pager, next"
            :total="total">
        </el-pagination>
      </div>
    </div>

    <el-dialog title="帖子" :visible.sync="fromVisible" width="50%" :close-on-click-modal="false" destroy-on-close>
      <el-form :model="form" label-width="100px" style="padding-right: 50px" :rules="rules" ref="formRef">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="标题"></el-input>
        </el-form-item>
        <el-form-item label="简介" prop="descr">
          <el-input type="textarea" v-model="form.descr" placeholder="简介"></el-input>
        </el-form-item>
        <el-form-item label="圈子" prop="circle">
          <el-select style="width: 100%" v-model="form.circle">
            <el-option v-for="item in circles" :key="item.id" :value="item.name" :label="item.name"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="图片" prop="img">
          <el-upload
              :action="$baseUrl + '/files/upload'"
              :headers="{ token: user.token }"
              list-type="picture"
              :on-success="handleImgSuccess"
              :limit="1"
              :on-exceed="handleExceed"
          >
            <el-button type="primary">上传图片</el-button>
          </el-upload>
        </el-form-item>
        <el-form-item label="内容" prop="content">
          <div id="editor"></div>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="fromVisible = false;deleteNoImg(form.id)">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>

    <el-dialog title="帖子内容" :visible.sync="formVisible1" width="50%" :close-on-click-modal="false" destroy-on-close>
      <div class="w-e-text">
        <div v-html="content" v-if="this.content !== '' && this.content !== null" class="w-e-text"></div>
        <div v-else class="w-e-text">暂无内容</div>
      </div>
      <div slot="footer" class="dialog-footer">
        <el-button @click="formVisible1 = false">关 闭</el-button>
      </div>
    </el-dialog>
    <el-empty style="margin-top: 10%" v-if="total<=0" description="哎呀，帖子为空呢" image="http://localhost:9090/files/empty.png"></el-empty>
  </div>
</template>
<script>
const imgUri =[];
import E from "wangeditor"
export default {
  name: "UserPosts",
  data() {
    return {
      tableData: [],  // 所有的数据
      pageNum: 1,   // 当前的页码
      pageSize: 10,  // 每页显示的个数
      total: 0,
      title: null,
      form: {},
      circles: [],
      user: JSON.parse(localStorage.getItem('xm-user') || '{}'),
      rules: {
        title: [
            {required: true, message: '请输入标题', trigger: 'blur'},
        ],
        descr: [
            {required: true, message: '请输入简介', trigger: 'blur'},
        ],
        circle: [
            {required:true, message: '请选择圈子', trigger: 'change'}
        ]
      },
      ids: [],
      imgs:[],
      editor: null,
      content:"",
      formVisible1: false,
      fromVisible: false,
    }
  },
  created() {
    this.load(1)
    this.loadCircles();
  },
  methods: {
    handleExceed(files, fileList) {
      this.$message.warning('只能上传一张图片!');
    },
    loadCircles() {
      this.$request.get('/circles/selectAll').then(res => {
        if (res.code === '200') {
          this.circles = res.data || [];
        } else {
          this.$message.error(res.msg);
        }
      });
    },
    setRichText(html) {
      this.$nextTick(() => {
        this.editor = new E(`#editor`)
        this.editor.config.uploadImgServer = this.$baseUrl + '/files/editor/upload'
        this.editor.config.uploadFileName = 'file'
        this.editor.config.uploadImgHeaders = {
          token: this.user.token
        }
        this.editor.config.uploadImgParams = {
          type: 'img',
        }
        this.editor.config.zIndex = 0
        this.editor.create()  // 创建
        this.editor.txt.html(html)
      })
    },
    edit(row){
      this.form = JSON.parse(JSON.stringify(row));
      this.setRichText(row.content)
      imgUri.push(this.getFileName(this.form.img))
      this.fromVisible = true
    },
    save() {   // 保存按钮触发的逻辑  它会触发新增或者更新
      this.$refs.formRef.validate((valid) => {
        if (valid) {
          console.log(imgUri)
          this.deleteImg();
          this.form.content = this.editor.txt.html()
          this.$request({
            url: this.form.id ? '/posts/update' : '/posts/add',
            method: this.form.id ? 'PUT' : 'POST',
            data: this.form
          }).then(res => {
            if (res.code === '200') {  // 表示成功保存
              this.$message.success('保存成功')
              this.load(1)
              this.fromVisible = false
            } else {
              this.$message.error(res.msg)  // 弹出错误的信息
            }
          })
          //   清空imgUri
          imgUri.length = 0
          console.log(imgUri)
        }
      })
    },
    del(id,img) {   // 单个删除
      this.$confirm('您确定删除吗？', '确认删除', {type: "warning"}).then(response => {
        this.$request.delete('/posts/delete/' + id).then(res => {
          if (res.code === '200') {   // 表示操作成功
            this.$message.success('操作成功')
            if(img){
              this.$request.delete(`/files/${img}`)
            }
            this.load(1)
          } else {
            this.$message.error(res.msg)  // 弹出错误的信息
          }
        })
      }).catch(() => {
      })
    },
    handleSelectionChange(rows) {   // 当前选中的所有的行数据
      this.ids = rows.map(v => v.id)
      this.imgs = rows.map(v => v.img.substring(v.img.lastIndexOf('/') + 1))
    },
    delBatch() {   // 批量删除
      if (!this.ids.length) {
        this.$message.warning('请选择数据')
        return
      }
      this.$confirm('您确定批量删除这些数据吗？', '确认删除', {type: "warning"}).then(response => {
        console.log(this.imgs)
        this.$request.delete('/files/delete/batch', {data: this.imgs})
        this.$request.delete('/posts/delete/batch', {data: this.ids}).then(res => {
          if (res.code === '200') {   // 表示操作成功
            this.$message.success('操作成功')
            this.load(1)
          } else {
            this.$message.error(res.msg)  // 弹出错误的信息
          }
        })
      }).catch(() => {
      })
    },
    load(pageNum) {  // 分页查询
      if (pageNum) this.pageNum = pageNum
      this.$request.get('/posts/selectPage', {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
          title: this.title,
        }
      }).then(res => {
        if (res.code === '200') {
          this.tableData = res.data?.list
          this.total = res.data?.total
        } else {
          this.$message.error(res.msg)
        }
      })
    },
    reset() {
      this.title = null
      this.load(1)
    },
    handleCurrentChange(pageNum) {
      this.load(pageNum)
    },
    preview(content) {
      this.content = content
      this.formVisible1 = true
    },
    changeStatus(row, status) {
      this.$confirm('您确定操作吗？', '确认操作', {type: "warning"}).then(response => {
        this.form = JSON.parse(JSON.stringify(row))  // 给form对象赋值  注意要深拷贝数据
        this.form.status = status
        this.$request.put('/posts/update', this.form).then(res => {
          if (res.code === '200') {  // 表示成功保存
            this.$message.success('操作成功')
            this.load(1)
          } else {
            this.$message.error(res.msg)  // 弹出错误的信息
          }
        })
      }).catch(err => {})
    },
    handleAdd() {   // 新增数据
      this.form = {}  // 新增数据的时候清空数据
      this.loadCircles();
      this.fromVisible = true   // 打开弹窗
      this.setRichText('')
    },
    handleImgSuccess(response, file, fileList) {
      this.form.img = response.data
      let fileName = response.data.substring(response.data.lastIndexOf('/') + 1)
      imgUri.push(fileName)
      console.log(imgUri)
    },
    deleteImg(){
      console.log(imgUri)
      if(imgUri.length > 1) {
        imgUri.pop();
        console.log(imgUri)
        this.$request.delete('/files/delete/batch', {data: imgUri})
      }
      //   清空imgUri
      imgUri.length = 0
    },
    deleteNoImg(id){
      if(id !== void 0){
        imgUri.splice(0, 1);
      }
      console.log(imgUri)
      this.$request.delete('/files/delete/batch', {data: imgUri})
      //   清空imgUri
      imgUri.length = 0
    },
    getFileName(filePath){
      return filePath?.substring(filePath.lastIndexOf('/') + 1)
    }
  }
}
</script>

<style scoped>
.card {
  /* 背景颜色 */
  background-color: #fff;

  /* 边框样式 */
  border: 1px solid #e0e0e0;

  /* 圆角 */
  border-radius: 8px;

  /* 盒子阴影效果 */
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);

  /* 内边距 */
  padding: 20px;

  /* 外边距 */
  margin: 20px 0;

  /* 宽度设置，可以根据实际情况调整 */
  width: 100%;

  /* 确保内容垂直居中 */
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.empty {
  text-align: center; /* 文字居中 */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty img {
  max-width: 100%;
  max-height: 80%;
  opacity: 0.5; /* 图片透明度 */
}

.empty span {
  position: relative;
  margin-top: 10px; /* 文字与图片之间的间距 */
  font-size: 15px;
  top: -100px;
}
</style>